The kukuu combined web search app allows you to easily search through multiple search eninges without having to enter the search query multiple times.

* enhanced privacy settings
* optionally delete cookies before every search query
* store bookmarks / search queries locally on your device (NO cloud sync)
* adjustable log settings
* quickly switch between the combined search and your regular browser
* constant updates / improvements to available search engines and the app!

List of currently implemented search engines:
Kukuu
Google
Duck Duck Go
Bing
Baidu
Yandex
Ecosia
Swisscows